Introduction to Dependency Injection Sooner or later all of us will hear acronym SOLID. Some friend of us will whisper us that our code should be SOLID. The letter ,,D” is abbrevation of „Dependency Inversion” which means:High-level modules should not depend on low-level modules. Both should depend on abstractions.Abstractions should not depend upon details. Details should depend upon abstractions. Another importan term is IoC (Inversion Of Control). In software engineering, inversion of ...